Home / 25,315,637.25-34,928,491.92-15,897,443.88

Finding the Fourth Proportional to 25,315,637.25, 34,928,491.92 and 15,897,443.88

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Solution

The fourth proportional to 25,315,637.25, 34,928,491.92 and 15,897,443.88 is: 21,934,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315,637.25 : 34,928,491.92 = 15,897,443.88 : x
  2. Step 2: Convert to fraction form
    25,315,637.25/34,928,491.92 = 15,897,443.88/x
  3. Step 3: Cross multiply
    25,315,637.25x = 34,928,491.92 × 15,897,443.88
  4. Step 4: Simplify right side
    25,315,637.25x = 555,273,740,111,233.50
  5. Step 5: Solve for x
    x = 555,273,740,111,233.50/25,315,637.25
  6. Step 6: Final answer
    x = 21,934,021.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.